Dissatisfied, Florent-Claude abandons his life in Paris and heads to the countryside where he contemplates lost loves. With his depression deepening, Florent-Claude turns to a new medication altering the brain's release of serotonin. Written by one of the most provocative novelists of his generation, Serotonin is a devastating story of solitude and a powerful criticism of modern life. Already a bestseller in France and Germany.